with all that information, campaign is able to build teams of like-mindalled volunteers, latinos for obama, pacific islanders for obama. sportsmen for obama. all being recruited as part of the obama ground game. they meet online and then gather in the real world. >> i thnk we're expecting a few more people who are going to get started so we can keep on with our agenda. >> sreenivasan: this group of volunteers who cared about lesbian, gay, by sexual and transgender issues was preparing to go out and canvass local voters in support of the president. it seems whether it's dashboard or the mobile apps, they serve two purposes: one, to make sure your teams are in communication with one another and another to learn about the voters you're going out and reaching. >> absolutely. we're always going to be collecting information. because that's how, you know, we extend our reach. thas how we can continue to communicate with that person. just one phone call or one email is not going to get that person to be... to the polls on day. >> sreenivasan: for years campaigns have dreamed of being able to